Symbolic (or Soft) References

<< Perl Tutorials - Herong's Tutorial Examples

This chapter provides tutorial examples and notes about symbolic (or soft) references. Topics include replacing variable or function identifiers with string expressions in curly brackets {}; using scalar variables without {}; using the dereference operator -> with array, hash, or function subscription: EXPR->[*], EXPR->{*}, or EXPR->(*).

Using Symbolic References

$$name - Replacing Identifiers by Scalar Variables

${EXPR} - Replacing Identifiers by Expressions

EXPR->* - The Dereference Operator

$$$name - Nested Symbolic References